UTRECHT MICROPALEONTOLOGICAL BUllETINS
UTRECHT MICROPALEONTOLOGICAL BUllETINS
UTRECHT MICROPALEONTOLOGICAL BUllETINS
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Figs. 1-9 Prioniodus deltatus (LINDSTROM). Fig. 1, the prioniodiform element, section 1, sample<br />
12, X 65, CH 1160-13. Fig. 2, the prioniodinaform element, section 1, sample 13, X 65,<br />
CH 1160-14. Fig. 3, the prioniodinaform element with denticle-like modifications of<br />
the oral keel, section 14, sample 7b, X 65, CH 1160-15. Fig. 4, the gothodiform<br />
element, section 1, sample 13, X 65, CH 1160-16. Figs. 5a and 5b, the trapezognathiform<br />
element, section 1, sample 12, X 65, CH 1160-17. Fig. 6, the oepikodiform<br />
element (= the tetraprioniodiform element), section 1, sample 13, X 65, CH 1160-18.<br />
Fig. 7, the oepikodiform element (= the tetraprioniodiform element), section 1, sample<br />
12, X 65, CH 1160-19. Fig. 8, the roundyaform element, section 1, sample 12, X 65,<br />
antero-lateral view, CH 1160-20. Fig. 9, the oistodiform element, section 1, sample 12,<br />
X 65, CH 1160-21.<br />
Figs. 10-19 Prioniodus navis LINDSTROM. Fig. 10, the prioniodiform element (early form), section<br />
6, sample 30, X 100, CH 1162-13. Fig. 11, the prioniodiform element (late form),<br />
section 6, sample 44, X 65, CH 1162-14. Fig. 12, the prioniodinaform element (late<br />
form), section 6, sample 46, X 65, CH 1162-15. Fig. 13, the gothodiform element<br />
(early form), section 6, sample 19, X 65, CH 1162-16. Fig. 14, the gothodiform<br />
element, section 6, sample 30, X 65, CH 1162-17. Fig. 15, the trapezognathiform<br />
element (early form), section 6, sample 19, X 65, CH 1162-18. Fig. 16, the<br />
trapezognathiform element (late form), section 6, sample 44, X 65, CH 1162-19. Fig.<br />
17, the roundyaform element, section 6, sample 44, X 65, CH 1162-20. Fig. 18, the<br />
falodiform element, section 6, sample 46, X 65, CH 1162-21. Fig. 19, the falodiform<br />
element, section 6, sample 30, X 65, CH 1162-22.<br />
Figs. 20-24 Stolodus stoia (LINDSTROM). Fig. 20, the Distacodus stoia-form element, section 14,<br />
sample 5, X 65, CH 1167-13. Figs. 21a and 21b, the asymmetrical element with a<br />
parallelogram-like cross section of the base, section 14, sample 13, X 65, CH 1167-14.<br />
Figs. 22a and 22b, the asymmetrical element with an equilateral trapezium-like cross<br />
section of the base, section 14, sample 5, X 65, CH 1167-15. Fig. 23, a Distacodus<br />
stoia-form element, with denticle-like modifications of the keels, section 14, sample 13,<br />
X 65, CH 1167-16. Fig. 24, the Distacodus stoia latus-form element, section 14, sample<br />
13, X 65, CH 1167-17.
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